package Demo;

import java.awt.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Game {

    private static final String[] suit = {"♥", "♦", "♠", "♣"};

    //买扑克牌 , 显示出所有纸牌
    public List<Poker> buyPoker() {
        List<Poker> pokers = new ArrayList<>();
        for (int i = 0; i < 4; i++) {
            for (int j = 1; j <= 13; j++) {
                Poker poker = new Poker(suit[i], j);
                pokers.add(poker);
            }
        }
        return pokers;
    }

    //所有牌随机摆放
    public void shuffle(List<Poker> pokers) {
        for (int i = pokers.size() - 1; i > 0; i--) {
            Random random = new Random();
            int index = random.nextInt(i);
            swap(pokers, i, index);
        }
    }


    private void swap(List<Poker> pokers, int i, int j) {
        Poker tmp = pokers.get(i);
        pokers.set(i, pokers.get(j));
        pokers.set(j, tmp);
    }

    public List<List<Poker>> game(List<Poker> pokers) {

        List<List<Poker>> hand = new ArrayList<>();

        List<Poker> hand1 = new ArrayList<>();
        List<Poker> hand2 = new ArrayList<>();
        List<Poker> hand3 = new ArrayList<>();

        hand.add(hand1);
        hand.add(hand2);
        hand.add(hand3);
        //最外层循环 控制 轮数
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                Poker removePoker = pokers.remove(0);
                hand.get(j).add(removePoker);
            }
        }
        return hand;
    }
}
